ONLYOFFICE Docs, the best MS Office Online alternative

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100% compatible with Microsoft Office formats

4 reasons why ONLYOFFICE Docs is the best Microsoft Office alternative

Best support for MS Office files
Using Office Open XML as a core format, ONLYOFFICE Docs provides the highest compatibility with Microsoft Office formats: DOCX, XLSX, and PPTX.
Complete office suite
ONLYOFFICE Docs includes a word processor, spreadsheet editor, and presentation software, providing alternatives to Word, Excel, and PowerPoint. Integrated ONLYOFFICE Groups, it offers a toolset for document, mail, and project management.
Feature-rich productivity software
ONLYOFFICE Docs empowers users with a complete set of formatting and collaborative tools available online. Share and work on all types of Office documents collaboratively with your colleagues. Free desktop and mobile apps are also available.
Self-hosted and open source
ONLYOFFICE Docs web-based software can be deployed on your own server providing you with full control of your business data. Our source code is listed on GitHub, ensuring transparency and reliability.

Watch this presentation to see the difference between office suites:

Read this article for an in-depth comparison of features available in MS Office Online and ONLYOFFICE Docs

Top 11 Awesome ONLYOFFICE Features that Google Docs and MS Office Online don't have
We compared ONLYOFFICE Docs Document Editors to our main rivals – Google Docs and MS Word Online. And here’s the result of our little research. Read more...

Check out the compatibility with MS Office formats

We have saved the docx file created by Microsoft in PDF with different other suites. Here's the result.

Still not convinced? Compare the editors yourself!

Download the docx filedocx and xlsx files and try to edit them using MS Word Online, Google Docs, Zoho Docs, Collabora Online, LibreOffice/OpenOffice and ONLYOFFICE Docs.
Read instruction how to compare editors